Numenor modified the little Maxis stove so that you can cook with it-
http://www.modthesims2.com/member/showthread.php?t=131507 I know I have another old fashioned style stove too for my historical 'hoods. I just need a couple minutes to remember where I'd found it.
Here's where I found the other stove I like to use-
http://www.geocities.jp/garapon9/sims2grnews00.html You'll find a lot of great stuff for historical homes. There is a nice recolor of the fridge that would look similar to a pantry. I can't remember though, are recolored fridges ok for leftovers in Seasons or is it just the custom fridges that cause the missing leftovers problem?